Publications

These pages link to publications related to the ICRS Center activities.

IERS Annual Reports

Please refer to the IERS Annual Report pages to read the successive annual reports.

IERS Technical Notes

The Second Realization of the International Celestial Reference Frame by Very Long Baseline Interferometry

The International Celestial Reference System and Frame

Definition and realization of the International Celestial Reference System by VLBI astrometry of extragalactic objects